A common question we receive at Access Financial is where should payroll taxes be paid when contracting abroad through a UK or other home-country limited company. The honest answer is: it depends. The outcome turns on the work country, the duration of the assignment, the relevant double tax agreement, and whether the company has created a taxable footprint locally. This article walks through the key rules, the practical risks of getting them wrong, and how to plan a compliant contracting arrangement abroad.
Before we go into the detail, here is the short version of how payroll taxes abroad are normally assessed when a contractor uses a limited company:
In practice, contracting abroad tax planning rarely fails on a single point — it fails when one of these elements is checked but the others are not. The rest of this article unpacks each of them.
Without a double tax agreement (DTA), a contractor working overseas would risk paying international payroll tax twice — once in the work country, where the duties are physically performed, and once in the home country, where the company and individual are resident. To prevent this, most countries sign DTAs based on the OECD Model Tax Convention. These treaties allocate taxing rights between the two states for different categories of income: employment income, directors’ fees, business profits, and so on.
To illustrate how this works in practice, the rest of this article uses the United Kingdom–France DTA as a worked example. Most OECD-based treaties follow a very similar pattern, although the precise wording and conditions always vary by treaty and should be checked for the specific countries involved.
Article 15 of the OECD model — and of most DTAs that follow it — deals with salaries, wages, and similar remuneration paid to employees. Three short principles are doing most of the work in this article:
Important: the 183-day rule is conditional. It is common to hear contractors say that payroll tax limited company abroad is only due at home if the stay is under 183 days. That is not quite right. Under a typical Article 15, all three of the following conditions must be met before the home country keeps exclusive taxing rights:
If even one of these conditions fails — for example, the company creates a permanent establishment, or the cost is recharged to a local entity — the work country can tax the employment income from the start of the assignment, regardless of the day count. This is one of the most common mistakes in tax residency when contracting abroad, and the consequences (back-tax, interest, penalties) can be significant.
For the precise legal wording in any given case, the relevant DTA article should be consulted directly, ideally with support from a specialist in tax and legal compliance.
Article 16 deals with directors’ fees and other similar payments made to a member of the board of a company resident in another state. The rule here is markedly different from Article 15.
For a contractor who is the sole director and shareholder of a limited company working abroad, this is where director fees tax abroad becomes relevant. If the limited company pays directors’ fees, the work country may have a taxing right over those fees — and the same income may need to be reported in the home country, with treaty relief applied. The split between salary and directors’ fees should always be reviewed before, not after, the assignment starts.
The table below summarises, at a high level, how the three most common income flows for a contractor working through a limited company abroad are typically treated. This is a simplified overview — actual outcomes depend on the wording of the relevant DTA and local rules.
| Income type | Where typically taxed | 183-day relief? | What to check |
| Employment income (salary) | Work country, unless all Article 15 conditions are met | Yes — if all conditions met (employer residence, no PE, day count) | Treaty wording, employer residence, PE status, day count |
| Directors’ fees | Country of paying company’s residence (often work country if PE arises) | Generally no — duration of stay is usually irrelevant | Whether income is fees vs salary; treaty carve-outs |
| Once a permanent establishment exists | Work country, from day one of the assignment | No | Place of management, fixed place of business, dependent agents |
A permanent establishment (PE) is the single most important concept for any contractor planning limited company abroad tax compliance. Once the company has a PE in the work country, the home–work tax balance changes completely. Employment taxes and corporate taxes can both become due locally, often from the very first day of the assignment.
Under most OECD-style treaties, a permanent establishment is a fixed place of business through which the company’s business is wholly or partly carried on. Typical examples include:
Activities of a purely preparatory or auxiliary character — storage, display, simple delivery, market research — usually do not create a PE on their own.
If the contractor is the sole director and shareholder, the contractor effectively is the management of the company. When the contractor relocates to the work country and runs the business from there for an extended period, the work-country tax authority can argue that the place of management — and therefore a PE — has moved with the contractor.
Not every tax authority will take this point, and not all of them at the same time. But if a PE is asserted retrospectively, the contractor can face a tax demand in the work country plus interest and penalties on payroll taxes that were paid (unnecessarily) at home. Prudent permanent establishment payroll tax planning therefore favours running local payroll in the work country once the assignment is more than a few months and the role is genuinely operational. For longer assignments, an Employer of Record or local payroll route often removes the risk entirely.
Payroll tax is only one half of the picture. Social security contributions are a separate liability with their own rules — and they are commonly overlooked in where to pay tax when working overseas planning.
Critically, the 183-day rule for income tax is not the same as the rules for social security. Even if the contractor stays tax-resident at home under Article 15, social security can still flip to the work country if no A1 or equivalent certificate is in place. Companies that handle contractor payroll tax overseas on a regular basis treat social security and payroll tax as two separate workstreams that need to be aligned before the assignment starts.
The following checklist consolidates the points that most often determine whether limited company tax when working abroad compliance — and contractor payroll tax overseas compliance — goes smoothly or unravels under audit. We recommend running through it before the contract is signed, not after.
For complex cross-border arrangements, our team works through this checklist with clients as part of an integrated tax and legal compliance review, alongside payroll setup and immigration support where needed.
Payroll taxes are usually assessed based on where the work is performed, the worker’s tax residence, the employer’s residence, the duration of the assignment, and the relevant double tax agreement. As a rule, the work country has the primary right to tax employment income, but a short posting may remain taxable only at home if every condition of the treaty article is met. Always check the specific DTA before starting the assignment.
The 183-day rule for payroll tax is commonly used in double tax agreements to determine whether employment income may remain taxable only in the home country during a short assignment. Typically, the worker must spend no more than 183 days in the work country in a defined period, the employer must not be resident there, and the cost must not be borne by a local permanent establishment. The exact wording and conditions vary by treaty.
Directors’ fees and the 183-day rule do not normally interact in the same way as employment income. Directors’ fees are often taxable in the country where the paying company is resident or where the board duties are performed, regardless of how many days the director spends locally. Many treaties give the source country a clear taxing right over directors’ fees, so they generally do not benefit from the same 183-day grace period as ordinary salary.
Permanent establishment and payroll tax are closely linked. If a company creates a permanent establishment in the work country, payroll taxes and other employer obligations can become due there from the start of the assignment, even if the contractor would otherwise have qualified for 183-day relief. A PE typically arises from a fixed place of business, a place of management, or a dependent agent. Contractors who are sole directors should pay particular attention to where the company is effectively managed.
Payroll tax in two countries can happen when both the home and work countries claim taxing rights over the same income. Double tax agreements are designed to reduce this risk by allocating taxing rights and providing relief mechanisms such as exemption or credit. However, contractors still need to check local payroll registration, social security obligations, and reporting rules in each country, because mismatched timing or missing certificates can leave them exposed in practice.
Double tax agreements and payroll taxes are tied together by the rules each treaty sets for employment income, directors’ fees, and business profits. DTAs determine which country has primary taxing rights, which has the obligation to give relief, and how short assignments are treated. They can prevent double taxation, but the outcome depends on the precise treaty wording and on the facts of the assignment, so a treaty review should be part of any cross-border contracting plan.